Pressure sensor and about 21 days

What you need to know

When brushing pressure creeps up, Philips Sonicare 4100 uses a pressure sensor and sonic cleaning for a gentler daily routine.

The matched product page confirms a W2 Optimal White head, two intensities, about 21 days of battery life and two included heads.
Current price €49.99, original EUR 114.00; verify at checkout.
For anyone moving from a manual brush; check model HX4042/41, charger, head compatibility and warranty.

Hokimi field note: use the pressure sensor to correct technique before seeking stronger cleaning.

Check before you buy

Before ordering, confirm the current price, stock, size or specification, delivery and return terms with the source.

The source did not provide an additional supporting visual.